<template>
    <div class="app-container">

        <!-- 顶部 Header 区域-->
        <mt-header fixed title="第一个Vue 项目">
			<span  slot="left" @click="goBack" v-show="flag">
				<mt-button icon="back">返回</mt-button>
			</span>
		</mt-header>

        <!-- 中间的 router-view 区域 -->
		<transition mode="out-in">
			<router-view></router-view>
		</transition>

        <!-- 底部 Tabbar 区域 -->
        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item1" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span>
				</span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
    </div>

</template>

<script>
export default {
	data(){
		return {
			flag: false
		}
	},
	methods: {
		goBack(){
			// 点击后退
			this.$router.go(-1)
		},
	},
	created(){
		this.flag = this.$route.path === '/home' ? false : true
	},
	watch: {
		'$route.path': function(newVal, oldVal){
			if(newVal === '/home'){
				this.flag = false 
			}else{
				this.flag = true
			}
		}
	}
}
</script>

<style lang="scss" scoped>
.mint-header{
	z-index: 99;
}
//改类名 解决 tabbar 无法切换
.mui-bar-tab .mui-tab-item1.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item1 {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item1 .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item1 .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
/****** */
.app-container{
    padding-top: 40px;
	overflow-x:hidden;
	padding-bottom:50px;
}
.v-enter{
	opacity:0;
	transform: translatex(100%);
}
.v-leave-to{
	opacity:0;
	transform: translatex(-100%);
	position:absolute;
}
.v-enter-active, .v-leave-active{
	transition: all 0.5s ease;
}
</style>